Definitions of Gasoline FormulationsConventional area: Any area that does not require the sale of reformulated
gasoline. All types of finished motor gasoline may be sold is this area.
RFG area: An ozone no attainment area designated by the Environmental
Protection Agency which requires the use of reformulated gasoline.
No attainment area: Any area that does not meet the national primary or
secondary ambient air quality standard established by the Environmental
Protection Agency for designated pollutants, such as carbon monoxide and ozone.
Reformulated gasoline: Finished gasoline formulated for use in motor
vehicles, the composition and properties of which meet the requirements of the
reformulated gasoline regulations promulgated by the U.S. Environmental
Protection Agency under Section 211(k) of the Clean Air Act. For details on this
clean fuel program see
http://www.epa.gov/otaq/rfg.htm.
It includes gasoline produced to meet or exceed emissions performance and
benzene content standards of federal-program reformulated gasoline even though
the gasoline may not meet all of the composition requirements (e.g. oxygen
content) of federal-program reformulated gasoline. Note: This category includes
Oxygenated Fuels Program Reformulated Gasoline (OPRG). Reformulated gasoline
excludes Reformulated Blend stock for Oxygenate Blending (RBOB) and Gasoline
Treated as Blend stock (GTAB).
